Chimney brace



FIG. 1 is a perspective view of a chimney brace showing my new design;

FIG. 2 is a reduced front elevational view thereof;

FIG. 3 is a reduced right side elevational view thereof;

FIG. 4 is a reduced rear elevational view thereof;

FIG. 5 is a reduced left side elevational view thereof;

FIG. 6 is a still further reduced top plan view thereof, the chimney and outer wall being shown in broken lines for illustrative purposes only. 

The ornamental design for a chimney brace, as shown and described. 